User:Mary Ball/Glucagon

About this Structure
1GCN is a Single protein structure of a sequence isolated from the wild boar Sus scrofa. Full crystallographic information is available from OCA, a browser-database for protein structure/function.

For information on the function of gulcagon, see the Glucagon article in Wikipedia at.

Refer to the structure and the article to complete the following Quiz.

Quiz
{Glucagon combines with a receptor inside target cells. - True + False
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 * Glucagon combines with a receptor on the surface of target cells.

{Glucagon is a type of: - Gene + Protein - RNA - Carbohydrate
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 * Glucagon and insulin are a pair of hormones that control blood glucose levels.

{ How many amino acids are joined into a chain to form glucagon? { 29 }
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{What is the biological function of glucagon? - It is an enzyme. - It is a membrane receptor. + It is a hormone. - It is an intracellular hormone receptor.
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{ Which of these structures represents glucagon? - + - -
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Reference
X-ray analysis of glucagon and its relationship to receptor binding., Sasaki K, Dockerill S, Adamiak DA, Tickle IJ, Blundell T, Nature. 1975 Oct 30;257(5529):751-7. PMID:171582

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